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看!这是一个蛋!它是椭圆形的。鸡妈妈可是个下蛋的高手。鸡蛋就是在鸡妈妈的肚子里孕育的。所有的禽类都是从蛋变来的,它们的大小不同,颜色也各种各样。
Look! This is an egg! It is oval. Chicken mother but a layman. Eggs are bred in the mother’s stomach. All the birds are from the egg, they are different in size, color is also varied.